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1 LAN OP25B UTnet UTnet Mac Mac Mac Windows i

2 A 16 A.1 Windows A A A A.5 UNIX A B 19 B B B B B B B B B B B B B B B B B ii

3 UTnet 3 1 WWW LAN WWW OP25B [email protected] WWW HP 1

4 1 UNIX( ) LAN ( ) VPN Web WWW 1.1 dareka [email protected] (jp) (ac) (u-tokyo) (iis) (dareka) POP IMAP (POP) SSL (IMAP) SSL SMTP pop.iis.u-tokyo.ac.jp SSL 995, imap.iis.u-tokyo.ac.jp SSL :993, mailgw.iis.u-tokyo.ac.jp TLS STARTTLS 587 HP Outbound Port25 Blocking(OP25B) 2

5 POP IMAP Internet Explorer Safari, Firefox Web i-mode EZweb Yahoo! WebMail RisuMail Webmail Zimbra Mail i-mode WebMail SSL i-mode WebMail SSL WWW WWW dareka dareka/public html/index.html dareka/ HP HP 1.3 FORTRAN95, C, WWW Web Windows PC 3

6 1 Web Web HP - Web 1.5 UTnet UTnet HP Ethernet BASE-T 4

7 1.7 A0 4.2 Windows Mac An As B B/C C D E F 1 / 1 HP pdf 1.9 LAN A F /CCR IEEE802.11a/b/g/n LAN LAN HP LAN 1.10 WWW VPN(Vertual Private Network) WWW HP 1.11 OP25B OP25B Submission SMTP over SSL HP Outbound Port25 Blocking (OP25B)

8 2 UTnet 2.1 UTnet UTnet GigabitEthernet 10BaseT 100BaseTX 1000BaseT DHCP UTnet 2 UTnet3 UTnet3 UTnet3 UTnet3 UTnet 2.2 HP /PC 63.4 WWW DNS IP NTP DHCP WWW 6

9 HP Windows XP(32bit) Windows Vista(32/64bit) Windows 7(32/64bit) 2012 WWW Windows XP 64bit Mac OS X Sophos Anti-Virus ESET Smart Security A B 7

10 3.3 WWW 1 HP (1 5 ) / / dareka [email protected] WWW POP3 IMAP4 8

11 2. Preferences Prefeerence General 3. Mail 4. Recieving Message forward copy to 5. Don t keep a local copy of a messages 6. save Be-Ce Ce

12 WWW LAN WWW WWW / / WWW 10

13 4 ssh OS ccws Cisco Systems CPU : Xeon E Red Hat C,FORTRAN UCS C460 M2 (10,2.00GHz) 4 Enterprise Linux C++ Memory : 128GB Mathematica Mac Mac Mac 1 1: Mac OS CPU CD-ROM OS imac Intel Core 2 Duo 2.33GHz 3GB 698GB DVD-RW MacOS X(V10.5.8) / Windows XP djt1100, cc3370 USB / MULTI CARD READER 24 (Ce-206) Mac Mac djt1100, cc

14 5.2 djt1100 HP Designjet T1100ps dpi 44 A0 (Ce-206) PostScript3 cc3370 FUJI XEROX / 1200dpi ApeosPort-IV C3370 A3 (Ce-207) 35 / A4 PostScript3 Postscript 5.3 Windows : CPU OS HP Compaq 6200 Pro SF Intel Core i (3.1GHz) 4GB 250GB HDD (7,200rpm) DVD Windows 7 Professional djt1100,cc3370 (Ce-206) 5.4 NEC ViewLight VT45J Windows Mac Polycom VSX7000s 4 Windows Microsoft Netmeeting MacOS Xmeeting H

15 6 HP / CPU 5MB CPU 0.05 / 1 / 0.01 / 10 / 6 /MB/ 5MB 3 /MB/ 50MB 0.15 /MB/ 500MB ,000 / 5,000 / 5,000 / 5,000 / IP 100 /IP/ DHCP 50 // 16,000 / (24bit subnet) 8,000 / (25bit subnet) 4,000 / (26bit subnet) 2,000 / (27bit subnet) 60 // 3 2,000 / / 300 / / WWW 100 / / 1,000 /5 / + 2,000 /m 2 / 1 6m 2 1 2m 2 13

16 6.3 HP : djt / /A0 ( 500 / /A1 250 / /A2 100 / /A3 20 / /A4 cc / /A4/ 7 / /A3/ 10 / /A4/ 20 / /A4/ 14

17 7 7.1 WWW HP As 3 MacOS MAC Microsoft Update Outbound Port25 Blocking(OP25B) PC SunOS(Solaris) Web Web Windows Update LAN (VPN ) LAN PC [email protected] 15

18 A Windows Microsoft Update Windows A.1 Windows Administrator, Windows WindowsXP Administrator WindowsVista 2 Windows7 Windows 2 WindowsXP Ctrl+Alt+Del Alt Del A.2 HP Windows Update Office Microsoft Update Microsoft Update 16

19 Microsoft Update 1. Microsoft Update 2. Microsoft Update WindowsXP 1. Microsoft UpdateInternet Explorer Windows Update Windows Update Microsoft Update 3. A.3 OS Office CD DVD OS OS Windows Update, Ce-207 LAN PC PC PC ( OS Update ) PC PC ( 17

20 A.4 1 Windows A.5 UNIX Solaris WWW tcp wrappers tcp wrappers UNIX OS SSH UNIX OS SSH UT-CERT A.6 18

21 B B.1 B.1.1 1: / 2: B.1.2 B

22 B.2 B.2.1 ( ) B.2.2 () () : B.2.3 (CD ) :

23 () B.2.4 () B.2.5 WWW WWW WWW WWW 21

24 B.2.6 Winny BitTorrent ( ) B.2.7 ( ) () B

25 B.3 B.3.1 (UT-CERT) UT-CERT CERT ( CERT) ( CERT ) B.3.2 B.3.3 Windows WWW () WWW 23

26 PC PC PC WWW (Windows ) SPAM PC ID 1 50 ID Webmail 24

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